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cmd/go: add s390x support

Minimum architecture of z196 required so that GCC can assemble
gcc_s390x.S in runtime/cgo.

Change-Id: I603ed2edd39f826fb8193740ece5bd11d18c3dc5
Reviewed-on: https://go-review.googlesource.com/20876
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Michael Munday 2016-03-18 17:14:23 -04:00 committed by Brad Fitzpatrick
parent f226e886c2
commit 254d63baa7

View File

@ -377,7 +377,7 @@ func buildModeInit() {
fatalf("-buildmode=pie not supported by gccgo")
} else {
switch platform {
case "linux/386", "linux/amd64", "linux/arm", "linux/arm64", "linux/ppc64le",
case "linux/386", "linux/amd64", "linux/arm", "linux/arm64", "linux/ppc64le", "linux/s390x",
"android/amd64", "android/arm", "android/arm64", "android/386":
codegenArg = "-shared"
default:
@ -391,7 +391,7 @@ func buildModeInit() {
codegenArg = "-fPIC"
} else {
switch platform {
case "linux/386", "linux/amd64", "linux/arm", "linux/arm64", "linux/ppc64le":
case "linux/386", "linux/amd64", "linux/arm", "linux/arm64", "linux/ppc64le", "linux/s390x":
default:
fatalf("-buildmode=shared not supported on %s\n", platform)
}
@ -409,7 +409,7 @@ func buildModeInit() {
codegenArg = "-fPIC"
} else {
switch platform {
case "linux/386", "linux/amd64", "linux/arm", "linux/arm64", "linux/ppc64le":
case "linux/386", "linux/amd64", "linux/arm", "linux/arm64", "linux/ppc64le", "linux/s390x":
buildAsmflags = append(buildAsmflags, "-D=GOBUILDMODE_shared=1")
default:
fatalf("-linkshared not supported on %s\n", platform)
@ -3025,6 +3025,8 @@ func (b *builder) gccArchArgs() []string {
return []string{"-m64"}
case "arm":
return []string{"-marm"} // not thumb
case "s390x":
return []string{"-m64", "-march=z196"}
}
return nil
}